Join the hundreds of thousands of students that have used Mr. Clifford's videos and resources to ace your microeconomics course.

Homonyms cause problems for students because these words have the same spelling but different meanings. One such confusing homonym is the word bow which has two distinct pronunciations and several very different meanings. This video...

This video explores the issue of forest fires caused by the palm oil industry in Indonesia. It examines the different perspectives on who is responsible for these fires, with the focus on small-scale farmers who resort to slash and burn...

Few exploits of the 20th century could match the courage and perseverance of the Shackleton expedition. Ernest Shackleton became the ultimate model for crisis management when his ill-fated 1914 Antarctic expedition met with disaster.

This video explores the impact of the oil palm tree on Indonesia, focusing on its negative reputation due to deforestation, climate change, human rights abuses, and land conflicts. It highlights the economic benefits and high...

You throw a rock in water from your boat. Can you figure out what happens to the water level?

After 30 years of civil war, finally North Vietnam captures South Vietnam and makes a unified country ruled by its communist rulers till present time.

Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!

This video explains the Big Five personality traits theory and how each trait affects the way people react in a survival situation. It also introduces the opposite traits possessed by five pirates. The video encourages viewers to think...

A little known fact is that people of East Africa were building their own ships and took part in the medieval world's most extensive trade network.

A Bay Area startup that builds autonomous ocean data collecting vessels launches its largest ship this week, the Saildrone Surveyor

Transportation: Vehicle Sounds for Children and Kids



Kids will love to watch this video of transportation sounds. They can see a wide variety of vehicles with the noises that they make. Toddlers will love to watch the cars,...

Join me as we lay down the tracks of learning by covering the basics on the Transcontinental Railroad built during the 1860's. Perfect for students and lifelong learners.

A medieval bowman describes the more powerful heavyweight crossbow which uses a complex windlass mechanism to load it.

A flash of lightning, and a rumble of thunder. But what exactly are these spectacular occurrences? In 1752, Benjamin Franklin discovered that lightning was caused by powerful electrical discharges in clouds. He wasn’t the first person to...

Learn how to tell the time in French.

What are all these funny little arrows? They're vectors! And we will use them to represent every single force we discuss in physics, so we need to know how to draw them, add them, subtract them, split them up into X and Y components, the...

In an incredible true story of survival, Steve Callahan managed to stay alive for a shocking 76 days adrift on the Atlantic Ocean in just a liferaft. He later told his unbelievable story in the best-selling book, Adrift: 76 Days Lost At...